MANAGED ACCOUNT ADVISORS LLC

Holdings History for WESTERN DIGITAL CORP - Common Stock (WDC)

Symbol: WDC on Nasdaq
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 9,026,563 shares
Security Ownership %: 2.6%

Shares, Excluding Options vs Price

Value, Excluding Options

MANAGED ACCOUNT ADVISORS LLC ownership in WESTERN DIGITAL CORP Common Stock (WDC)

10 Feb 2026 - MANAGED ACCOUNT ADVISORS LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 9,026,563 shares of WESTERN DIGITAL CORP Common Stock (WDC). This represents 2.6% ownership of the company. In their previous filing dated 13 Nov 2025, MANAGED ACCOUNT ADVISORS LLC had reported owning 18,350,274 shares, indicating a decrease of +51%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
MANAGED ACCOUNT ADVISORS LLC	2.6%	-54%	$1,914,895,075	9,026,563	-9,323,711	-51%	$212.14	13G/A	31 Dec 2025	10 Feb 2026, 12:39
MANAGED ACCOUNT ADVISORS LLC	5.3%	-18%	$2,203,133,896	18,350,274	-3,828,692	-17%	$120.06	13G/A	30 Sep 2025	13 Nov 2025, 20:28
MANAGED ACCOUNT ADVISORS LLC	6.4%		$1,419,897,403	22,178,966			$64.02	13G	30 Jun 2025	14 Aug 2025, 14:40

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Jun 2015	0.05%	-0%	$62,832,000	801,218	-4,188	-0.52%	$78.42	Q2 2015
31 Mar 2015	0.06%	-0%	$73,300,000	805,406	-36,598	-4.3%	$91.01	Q1 2015
31 Dec 2014	0.09%	+0%	$93,210,000	842,004	+25,227	+3.1%	$110.70	Q4 2014
30 Sep 2014	0.09%	+0%	$79,488,000	816,777	+10,370	+1.3%	$97.32	Q3 2014
30 Jun 2014	0.09%	+0%	$74,432,000	806,407	+29,675	+3.8%	$92.30	Q2 2014
31 Mar 2014	0.09%	+0%	$71,319,000	776,732	+5,635	+0.73%	$91.82	Q1 2014
31 Dec 2013	0.09%	0%	$64,695,000	771,097	0		$83.90	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.